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<html>

<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  <title>无标题文档</title>
</head>

<body>
  <script type="text/javascript">
    var main = document.body;
    //创建链接
    function createa(url, text) {
      var a = document.createElement("a");
      a.innerHTML = text;
      a.href = url;
      a.style.c
      main.appendChild(a);
    }
    // 调用函数创建链接
    createa("http://www.imooc.com/", "慕课网")
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